APA (7th ed.) Citation

Helfrick. (1994). Modern aviation electronics (2nd ed.). Prentice Hall Career & Technology.

Chicago Style (17th ed.) Citation

Helfrick. Modern Aviation Electronics. 2nd ed. New Jersey: Prentice Hall Career & Technology, 1994.

MLA (8th ed.) Citation

Helfrick. Modern Aviation Electronics. 2nd ed. Prentice Hall Career & Technology, 1994.

Warning: These citations may not always be 100% accurate.